Metallurgical Observation of the Buddhist Bell of Youngmoon Mountain Sangwonsa Temple

Title
Metallurgical Observation of the Buddhist Bell of Youngmoon Mountain Sangwonsa Temple
Authors
도정만박방주이정일홍경태
Keywords
Bell of Yongmoon Mountain Sangwonsa; microstructure; chemical composition; lead isotope ratio; criteria for distinguishing the bells
Issue Date
2012-11
Publisher
대한금속 . 재료학회지; Korean journal of metals and materials
Citation
VOL 50, NO 11, 829-838
Abstract
The microstructure, chemical composition, and lead isotope ratio of the Buddhist bell of Yongmoon Mountain Sangwonsa temple, which was selected as one of the three great bells of Korea by Japanese historians, were analyzed in order to estimate the origin of the material and the time of casting. The microstructure of the temple bell was composed of a copper matrix phase with α, a face centered cubit lattice structure, a δ phase with Cu41 (Sn, Ag, Sb)11 as the chemical structural formula, dispersed lead and Cu2S particles, and locally agglomerated fine particles. Through analysis of the chemical composition of the bell, a criterion (Pb: 0-3.0 wt%, Sn: 10-15 wt%) for distinguishing the bells of the Shilla dynasty from the bells of the Koryo · Chosun dynasty is proposed. Examining the lead isotope ratio of 207Pb / 206Pb and 208Pb / 206Pb of the Buddhist bell of Sangwonsa temple proved that the bell was fabricated using raw materials in South Korea, which led to the conclusion that the bell was cast in Korea and the top board of the bell has been damaged by an unknown individual. The criteria of distinguishing the bells from the Shilla dynasty from the bells of the Koryo · Chosun dynasty presented for the first time in this research is expected to aid in identifying and estimating the previously unclear production years of other bells.
URI
http://pubs.kist.re.kr/handle/201004/46768
ISSN
17388228
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